[INFO] fetching crate extended_fizzbuzz 1.0.0...
[INFO] checking extended_fizzbuzz-1.0.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate extended_fizzbuzz 1.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate extended_fizzbuzz 1.0.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extended_fizzbuzz 1.0.0
[INFO] finished tweaking crates.io crate extended_fizzbuzz 1.0.0
[INFO] tweaked toml for crates.io crate extended_fizzbuzz 1.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate extended_fizzbuzz 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 95613b1354f0a99ea9a51bdf25948eee9bb0d10f30a0b2568e4e6e4ee18c7a16
[INFO] running `Command { std: "docker" "start" "-a" "95613b1354f0a99ea9a51bdf25948eee9bb0d10f30a0b2568e4e6e4ee18c7a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95613b1354f0a99ea9a51bdf25948eee9bb0d10f30a0b2568e4e6e4ee18c7a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95613b1354f0a99ea9a51bdf25948eee9bb0d10f30a0b2568e4e6e4ee18c7a16", kill_on_drop: false }`
[INFO] [stdout] 95613b1354f0a99ea9a51bdf25948eee9bb0d10f30a0b2568e4e6e4ee18c7a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58574faca40c08ca566c5b0c93d26c5db16980c34ff83b9e1fd69431347fdfba
[INFO] running `Command { std: "docker" "start" "-a" "58574faca40c08ca566c5b0c93d26c5db16980c34ff83b9e1fd69431347fdfba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking extended_fizzbuzz v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/matcher.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 _ => Err("Wrong error kind".to_string()),
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.90s
[INFO] running `Command { std: "docker" "inspect" "58574faca40c08ca566c5b0c93d26c5db16980c34ff83b9e1fd69431347fdfba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58574faca40c08ca566c5b0c93d26c5db16980c34ff83b9e1fd69431347fdfba", kill_on_drop: false }`
[INFO] [stdout] 58574faca40c08ca566c5b0c93d26c5db16980c34ff83b9e1fd69431347fdfba